School of Mathematic Science;
Shanxi University;
Taiyuan Shanxi 030006;
China;
Department of Mathematics;
Baoji University of Arts and Sciences;
Baoji Shaanxi 721007;
China;
College of Electronic Information Engineering;
Taiyuan University of Science and Technology;
Taiyuan Shanxi 030024;
China;
Institute of Artificial Intelligence and Robotics;
Xi'an Jiaotong University;
Xi'an Shaanxi 710049;
China;